WhenMachine Gun Kellyisn’t going through hours of transformation to be turned into Tommy Lee for Netflix’s The Dirt, the rapper is probably hanging out with BFF Pete Davidson. In a new video for Vanity Fair, the duo gave a forcedly honest look into their friendship.

While hooked up to a lie detector test, Kells and Pete talk about everything from their characters in The Dirt to how long they think they’ll be friends. Spoiler alert: the answer is forever.

“I’m still sh*tty but like, rich about it” Pete admits after confirming that he’s become a better person since making money. Hear from the Mötley Crüe biopic costars and get an inside look at their real-life bromance in the hilarious video above.

Along with giving Pete and Kells an excuse to do interviews together, The Dirt has also boosted Mötley Crüe’s iTunes downloads by 2,027% while earning them huge streaming increases across the board. Watch Machine Gun Kelly and crew share more behind-the-scenes secrets in the RADIO.COM exclusive below!